Tulelake, CaliforniaFormed by half a million years of volcanic activity, Lava Beds National Monument contains the highest ...

Embark on a journey to explore the world's most breathtaking caves, from the shimmering glowworm caves of New Zealand to the ...

HOWES CAVE — The weekend downpours that battered the Capital Region led to the temporary closure of Howe Caverns in Schoharie ...

A future Toronto subway station is being carved out below a busy downtown intersection, just one of the so-called "caverns" ...

Our articles editor receives regular story pitches for his father. This year he decided to pursue one—and it is about cave ...

The caverns sit atop the Grand Canyon Inn between Peach Springs and Seligman and are a worldwide tourist attraction.

Guano. If you look into the history of Carlsbad Caverns, you will most likely come across this term. In fact, some of the early visitors to the large underground cave system ...

The cave and its multiple branches are among 550 that crisscross a fragile, sinkhole-prone geologic region renowned for Carlsbad Caverns. Standing in the inky depths of Parks Ranch, I cannot see ...

Beneath Bermuda’s bustling cities and sun-kissed beaches lies an undiscovered world full of evolutionary mysteries.

Anyone who doubts the economic importance of outdoor recreation in Pennsylvania should visit rural Huntingdon County, home of ...

Alma filmmaker Gavin Webb explores ghost stories across the state in "Haunted Arkansas," a 10-part series debuting on Amazon ...